{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944290,-0.329113,0.000000,0.000000,0.183968,-0.527841,0.829180,0.000000,-0.272319,0.781337,0.561564,0.000000,-1738727.104652,4988746.155847,3561514.434480,1],    "boundingVolume": {    "region": [1.906104,0.596237,1.906218,0.596312,0.000000,8.815695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_851746.b3dm"}}}